Questions
Question 1
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Does the set {\((1, 0)\), \((0, 1)\)} span \(\mathbb R^2\)? Explain.
Question 2
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Does the set {\((1, 2)\)} span \(\mathbb R^2\)? Explain.
Question 3
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Determine whether \((3, 7)\) lies in span(\((1, 2)\), \((0, 1)\)).
Question 4
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Determine whether \((1, 1, 1)\) lies in span(\((1, 0, 1)\), \((0, 1, 1)\)).
Question 5
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Find span(\((2, 0)\), \((0, 3)\)) as a subset of \(\mathbb R^2\).
Question 6
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Find a spanning set for the plane x + y + \(z=0\) in \(\mathbb R^3\).
Question 7
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Does {\((1, 0, 0)\), \((0, 1, 0)\)} span \(\mathbb R^3\)? If not, what does it span?
Question 8
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Show that {\((1, 0)\), \((1, 1)\)} spans \(\mathbb R^2\).
Question 9
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Find the span of {\((1, 2, 3)\), \((2, 4, 6)\)}.
Question 10
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A learner says three vectors always span \(\mathbb R^3\). Diagnose the error.